251419140

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{22171}}^1$

素因数の和:22199

約数の個数: 120

約数和(自身を含む): 901424832

約数和(自身を除く): 650005692

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 22171, 44342, 66513, 88684, 110855, 133026, 155197, 199539, 221710, 266052, 310394, 332565, 399078, 443420, 465591, 598617, 620788, 665130, 775985, 798156, 931182, 997695, 1197234, 1330260, 1396773, 1551970, 1795851, 1862364, 1995390, 2327955, 2394468, 2793546, 2993085, 3103940, 3591702, 3990780, 4190319, 4655910, 5587092, 5986170, 6983865, 7183404, 8380638, 8979255, 9311820, 11972340, 12570957, 13967730, 16761276, 17958510, 20951595, 25141914, 27935460, 35917020, 41903190, 50283828, 62854785, 83806380, 125709570, 251419140]

約数ペア:

[(1, 251419140), (2, 125709570), (3, 83806380), (4, 62854785), (5, 50283828), (6, 41903190), (7, 35917020), (9, 27935460), (10, 25141914), (12, 20951595), (14, 17958510), (15, 16761276), (18, 13967730), (20, 12570957), (21, 11972340), (27, 9311820), (28, 8979255), (30, 8380638), (35, 7183404), (36, 6983865), (42, 5986170), (45, 5587092), (54, 4655910), (60, 4190319), (63, 3990780), (70, 3591702), (81, 3103940), (84, 2993085), (90, 2793546), (105, 2394468), (108, 2327955), (126, 1995390), (135, 1862364), (140, 1795851), (162, 1551970), (180, 1396773), (189, 1330260), (210, 1197234), (252, 997695), (270, 931182), (315, 798156), (324, 775985), (378, 665130), (405, 620788), (420, 598617), (540, 465591), (567, 443420), (630, 399078), (756, 332565), (810, 310394), (945, 266052), (1134, 221710), (1260, 199539), (1620, 155197), (1890, 133026), (2268, 110855), (2835, 88684), (3780, 66513), (5670, 44342), (11340, 22171)]